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Question:- Which one of the following organisms has a role in converting nitrates to free nitrogen? A. Pseudomonas B. Nitrosomonas C. Nitrobacter D. Rhizobium
Answer:- D
Question:- Consider the following with reference to human nutrition: 1. Vitamin A 2. Vitamin B2 3. Vitamin E For which of these are green leafy vegetables rich sources? A. 1 and 2 B. 2 only C. 1 and 3 D. 1,2 and 3
Answer:- D
Question:- Select correct match of the Biological theories or laws and Scientists. A. Laws of Inheritance - Lamarck B. Theories of Organic Evolution - Darwin C. Theories of Natural Selection - Mendel D. Germplasm Theory - Weismann
Answer:- D
Question:- Which one of the following is the richest source of vitamin C? A. Guava B. Pineapple C. Orange D. Tomato
Answer:- C
Question:- 1. Which one of the following pairs is not correctly matched? A. Becquerel: Radioactivity B. Alexander Fleming: Penicillin C. Louis Pasteur: Blood groups D. William Harvey: Blood circulation
Answer:- C
Question:- Which of the following is a sexually transmitted disease? A. Leukaemia B. Hepatitis C. Colour Blindness D. All of the above
Answer:- C
Question:- Which one of the following systems of the body is primarily attacked by the HIV? A. Cardiovascular B. Immune C. Respiratory D. Reproductive
Answer:- B
Question:- In the human body, the blood enters the aorta of the circulatory system from the: A. Left atrium B. Left ventricle C. Right atrium D. Right ventricle
Answer:- B
Question:- Which one of the following plant nutrients is not supplemented in the soil for growing legumes? A. Nitrogen B. Potassium C. Phosphorus D. None of these
Answer:- B
Question:- Which of the following are known as the suicide bags of cells? A. Ribosomes B. Golgi bodies C. Lysosomes D. Nucleoli
Answer:- C
Question:- Excess of amino acids is broken down to form urea in: A. Kidney B. Liver C. Spleen D. Rectum
Answer:- A
Question:- If a person can see an object clearly when it is placed at about 25cm away from him, he is suffering from: A. Myopia B. Hyper- myopia C. Astigmatism D. None of the above
Answer:- D
Question:- Who among the following discovered the anti-rabies vaccine? A. Edward Jenner B. James Lind C. Louis Pasteur D. Robert Koch
Answer:- C
Question:- Which of the following teeth of child (3-4 Years) is not a part of the milk teeth? A. Incisors B. Canines C. Molars D. Premolars
Answer:- C